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Temperature programmed oxygen desorption and sorption processes on Pr2-XLaxNiO4+δ nickelates

hal.structure.identifierInstitute of General of Inorganic Chemistry
dc.contributor.authorUSENKA, Alexandra
hal.structure.identifierInstitute of General of Inorganic Chemistry
dc.contributor.authorPANKOV, Vladimir
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorVIBHU, Vaibhav
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorFLURA, Aurelien
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorGRENIER, Jean-Claude
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBASSAT, Jean-Marc.
dc.date.issued2019-08-30
dc.identifier.issn1938-5862
dc.description.abstractEnThe present work is devoted to the investigation of temperature programmed oxygen desorption - sorption (TPD) processes performed on SOFC innovative cathode materials with Pr2-xLaxNiO4+δ composition. The experiments were performed using the coulometric titration technique involving an OXYLYT™ device, over the temperature cycle 20 – 900 – 20 °C. The considered parameters were the time and temperature dependences of both the titration current and the oxygen over-stoichiometry. TPD spectra of Pr2-xLaxNiO4+δ (x ≠ 0) exhibited two sharp peaks (maxima) of titration current with excellent resolution at p(O2) = 50 Pa, induced by removal of oxygen from different sites of the crystal lattice. TPD spectrum of Pr2NiO4+δ recorded under the same conditions drastically differs from the spectra of Pr2-xLaxNiO4+δ as four sharp maxima of titration current are detected. The TPD spectra of Pr2-xLaxNiO4+δ then strongly depend on the nature of the rare-earth (La or Pr) in link with the oxygen over-stoichiometry amount.
dc.language.isoen
dc.publisherElectrochemical Society, Inc.
dc.title.enTemperature programmed oxygen desorption and sorption processes on Pr2-XLaxNiO4+δ nickelates
dc.typeArticle de revue
dc.identifier.doi10.1149/09101.1341ecst
dc.subject.halChimie/Matériaux
bordeaux.journalECS Transactions
bordeaux.page1341-1353
bordeaux.volume91
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-02337219
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02337219v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=ECS%20Transactions&rft.date=2019-08-30&rft.volume=91&rft.issue=1&rft.spage=1341-1353&rft.epage=1341-1353&rft.eissn=1938-5862&rft.issn=1938-5862&rft.au=USENKA,%20Alexandra&PANKOV,%20Vladimir&VIBHU,%20Vaibhav&FLURA,%20Aurelien&GRENIER,%20Jean-Claude&rft.genre=article


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